SPL Set ID: a062e78a-16ff-4d83-b700-0badb7d812d5

Pregabalin USP is described chemically as ( S )-3-(aminomethyl)-5-methylhexanoic acid. The molecular formula is C 8 H 17 NO 2 and the molecular weight is 159.23. The chemical structure of pregabalin is: Pregabalin USP is a white to off-white, crystalline solid with a pK a1 of 4.2 and a pK a2 of 10.6. It is freely soluble in water and both basic and acidic aqueous solutions. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is – 1.35. Pregabalin capsules are administered orally and are supplied as imprinted hard-shell capsules containing 25, 50, 75, 100, 150, 200, 225 and 300 mg of Pregabalin USP, along with corn starch, pregelatinized starch (corn) and talc as inactive ingredients. The capsule shells contain gelatin, sodium lauryl sulfate and titanium dioxide. In addition, the orange capsule shells (In 75, 100, 200, 225 and 300mg) contain red iron oxide. The imprinting ink contains black iron oxide, propylene glycol, potassium hydroxide and shellac. Image